diff options
Diffstat (limited to 'media/libeffects/lvm/lib/Common/src/LVC_Mixer_Private.h')
| -rwxr-xr-x | media/libeffects/lvm/lib/Common/src/LVC_Mixer_Private.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/media/libeffects/lvm/lib/Common/src/LVC_Mixer_Private.h b/media/libeffects/lvm/lib/Common/src/LVC_Mixer_Private.h new file mode 100755 index 0000000..d61d670 --- /dev/null +++ b/media/libeffects/lvm/lib/Common/src/LVC_Mixer_Private.h @@ -0,0 +1,136 @@ +/* + * Copyright (C) 2004-2010 NXP Software + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/********************************************************************************** + + $Author: beq07716 $ + $Revision: 1000 $ + $Date: 2010-06-28 13:08:20 +0200 (Mon, 28 Jun 2010) $ + +***********************************************************************************/ + +#ifndef __LVC_MIXER_PRIVATE_H__ +#define __LVC_MIXER_PRIVATE_H__ + +/********************************************************************************** + INCLUDE FILES +***********************************************************************************/ + +#include "LVC_Mixer.h" +#include "VectorArithmetic.h" + +/* Instance parameter structure */ +typedef struct +{ + /* General */ + LVM_INT32 Target; /* 32 bit number specifying fractional value of Target Gain */ + LVM_INT32 Current; /* 32 bit number specifying fractional valude of Current Gain */ + LVM_INT32 Shift; /* Left Shift for Integer part of Gain */ + LVM_INT32 Delta; /* 32 bit number specifying the fractional value of Delta Gain */ +} Mix_Private_st; + + + +/********************************************************************************** + DEFINITIONS +***********************************************************************************/ +#define LVCore_MixInSoft_D32C31_SAT LVCore_InSoft_D32C31_SAT +#define LVCore_MixSoft_1St_D32C31_WRA LVCore_Soft_1St_D32C31_WRA +#define LVCore_MixHard_2St_D32C31_SAT LVCore_Hard_2St_D32C31_SAT + +/********************************************************************************** + FUNCTION PROTOTYPES (LOW LEVEL SUBFUNCTIONS) +***********************************************************************************/ + +/*** 16 bit functions *************************************************************/ + +void LVC_Core_MixInSoft_D16C31_SAT( LVMixer3_st *pInstance, + const LVM_INT16 *src, + LVM_INT16 *dst, + LVM_INT16 n); + +void LVC_Core_MixSoft_1St_D16C31_WRA( LVMixer3_st *pInstance, + const LVM_INT16 *src, + LVM_INT16 *dst, + LVM_INT16 n); + +void LVC_Core_MixHard_2St_D16C31_SAT( LVMixer3_st *pInstance1, + LVMixer3_st *pInstance2, + const LVM_INT16 *src1, + const LVM_INT16 *src2, + LVM_INT16 *dst, + LVM_INT16 n); + +/**********************************************************************************/ +/* For applying different gains to Left and right chennals */ +/* ptrInstance1 applies to Left channel */ +/* ptrInstance2 applies to Right channel */ +/* Gain values should not be more that 1.0 */ +/**********************************************************************************/ + +void LVC_Core_MixSoft_1St_2i_D16C31_WRA( LVMixer3_st *ptrInstance1, + LVMixer3_st *ptrInstance2, + const LVM_INT16 *src, + LVM_INT16 *dst, /* dst can be equal to src */ + LVM_INT16 n); /* Number of stereo samples */ + +/**********************************************************************************/ +/* For applying different gains to Left and right chennals */ +/* ptrInstance1 applies to Left channel */ +/* ptrInstance2 applies to Right channel */ +/* Gain values should not be more that 1.0 */ +/**********************************************************************************/ +void LVC_Core_MixHard_1St_2i_D16C31_SAT( LVMixer3_st *ptrInstance1, + LVMixer3_st *ptrInstance2, + const LVM_INT16 *src, + LVM_INT16 *dst, /* dst can be equal to src */ + LVM_INT16 n); /* Number of stereo samples */ + + + +/*** 32 bit functions *************************************************************/ + +void LVC_Core_MixInSoft_D32C31_SAT( LVMixer3_st *pInstance, + const LVM_INT32 *src, + LVM_INT32 *dst, + LVM_INT16 n); + +void LVC_Core_MixSoft_1St_D32C31_WRA( LVMixer3_st *pInstance, + const LVM_INT32 *src, + LVM_INT32 *dst, + LVM_INT16 n); + +void LVC_Core_MixHard_2St_D32C31_SAT( LVMixer3_st *pInstance1, + LVMixer3_st *pInstance2, + const LVM_INT32 *src1, + const LVM_INT32 *src2, + LVM_INT32 *dst, + LVM_INT16 n); + +/**********************************************************************************/ + +#endif //#ifndef __LVC_MIXER_PRIVATE_H__ + + + + + + + + + + |